SELECT [LastName]
      ,[FirstName]
      ,FLOOR((CAST (GetDate() AS INTEGER) - CAST(BirthDate AS INTEGER)) / 365.25) AS Age 
  FROM [Northwind].[dbo].[Employees]
  Where FLOOR((CAST (GetDate() AS INTEGER) - CAST(BirthDate AS INTEGER)) / 365.25)>55
  ORDER BY LastName
